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  1. illuviation

    • IPA[iˌlo͞ovēˈāSHən]

    美式

    • n.
      the introduction of salts or colloids into one soil horizon from another by percolating water.
    • noun: illuviation

    • 更多解釋
    • IPA[ɪˌl(j)uːvɪˈeɪʃ(ə)n]

    英式

    • n.
      the introduction of salts or colloids into one soil horizon from another by percolating water.

    Oxford Dictionary